Home / 124,229.15-171,423.35-69,787.43

Finding the Fourth Proportional to 124,229.15, 171,423.35 and 69,787.43

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Solution

The fourth proportional to 124,229.15, 171,423.35 and 69,787.43 is: 96,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,229.15 : 171,423.35 = 69,787.43 : x
  2. Step 2: Convert to fraction form
    124,229.15/171,423.35 = 69,787.43/x
  3. Step 3: Cross multiply
    124,229.15x = 171,423.35 × 69,787.43
  4. Step 4: Simplify right side
    124,229.15x = 11,963,195,118.11
  5. Step 5: Solve for x
    x = 11,963,195,118.11/124,229.15
  6. Step 6: Final answer
    x = 96,299.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.